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Class Information
Number: 372
Name: Coherent light generators >
Description: This is a restricted class for coherent light generator systems wherein an assembly of electrical, mechanical, and optical components produces an intense, coherent, directional beam of light by stimulating electronic, ionic, or molecular transitions to lower energy levels.










Class Number Class Name No. of Patents
372/2

Free electron laser

189
372/37

Having an applied magnetic field

244
372/702

Isotope

5
372/8

Laser logic system

101
372/4

Long wavelength (e.g., far infrared)

102
372/109

Miscellaneous

243
372/705

Neat thing

7
372/701

Nozzle

35
372/700

Optical delay

48
372/6

Optical fiber laser

1579
372/703

Optical isolater

152
372/39

Particular active media

417
372/66

Active media with particular shape

275
372/67

Disc-shaped

61
372/40

Amorphous (e.g., glass)

199
372/55

Gas

683
372/61

Discharge tube feature

425
372/63

Backflow feature

19
372/62

Segmented

85
372/65

Support

172
372/64

Waveguide

315
372/57

Excimer or exciplex

551
372/59

Gas maintenance (e.g., purification, replenishment, etc.)

293
372/60

Including a specified gas additive

140
372/56

Metal vapor

196
372/58

With means for controlling gas flow

478
372/41

Insulating crystal

327
372/42

Utilizing color centers

58
372/51

Liquid

57
372/52

Chelate

9
372/53

Dye

170
372/54

Particular structural features

137
372/68

Plural active media or active media having plural dopants

268
372/43.01

Semiconductor

1489
372/44.01

Injection

490
372/44.011

Crystal orientation

116
372/50.1

Monolithic integrated

1327
372/50.22

Having an amplifier

159
372/50.23

Having lens

122
372/50.21

Having photodetection means

267
372/50.12

Laser array

421
372/50.122

Independently addressable

91
372/50.121

Multiple wavelength emissive

183
372/50.123

Phase locked

64
372/50.124

With vertical output (surface emission)

486
372/50.11

With diffraction grating (bragg reflector)

656
372/49.01

Particular coating on facet

320
372/45.01

Particular confinement layer

2263
372/45.013

With saturable absorption layer

120
372/45.011

With strained layer

167
372/45.012

With superlattice structure

214
372/46.01

Particular current control structure

1805
372/46.012

Channeled substrate

112
372/46.016

Disordered region

67
372/46.014

Having air gap region

55
372/46.015

Having implant region

80
372/46.013

Having oxidized region

146
372/46.011

Transverse junction

43
 

Particular beam control device (372/9)

 
372/9

Particular beam control device

428
372/25

Control of pulse characteristics

868
372/29.01

Having particular beam control circuit component

270
372/29.016

Controlling beam phase

62
372/29.015

Controlling current or voltage

255
372/29.014

Controlling light intensity

191
372/29.011

Feedback circuitry

294
372/29.013

Having particular electrode structure

34
372/29.012

Power supply

71
372/19

Mode discrimination

456
372/18

Mode locking

653
372/26

Modulation

844
372/28

Frequency

351
372/27

Polarization

340
372/21

Nonlinear device

903
372/22

Frequency multiplying (e.g., harmonic generator)

1164
372/29.02

Optical output stabilization

445
372/31

Amplitude

458
372/29.022

Cavity

67
372/32

Frequency

1077
372/29.023

Phase

112
372/29.021

Power

265
372/30

Pulse

340
372/23

Producing plural wavelength output

550
372/10

Q-switch

320
372/11

Absorption type

185
372/13

Acousto-optic

156
372/12

Electro-optic

213
372/14

Mechanical

43
372/15

Rotating mirror

67
372/16

Rotating prism

33
372/17

Plural q-switches

33
372/24

Scanning

205
372/20

Tuning

1525
372/38.1

Particular component circuitry

315
372/38.07

Controlling current or voltage to laser

558
372/38.05

Electrode

122
372/38.02

For driving or controlling laser

890
372/38.09

Having fault protection circuitry

137
372/38.01

Having feedback circuitry

389
372/38.08

Having noise suppression circuitry

74
372/38.06

Optical pumping

63
372/38.04

Power supply

193
372/38.03

Switch (e.g., thyratron, etc.)

144
372/33

Particular operating compensation means

583
372/69

Particular pumping means

582
372/89

Chemical

176
372/81

Electrical

143
372/85

Glow discharge

81
372/86

Having an auxiliary ionization means

220
372/87

Having particular electrode structure

590
372/88

Hollow electrode

115
372/82

Inductive or capactive excitation

221
372/83

Transversely excited

156
372/84

Traveling wave

25
372/90

Gas dynamic

111
372/70

Pumping with optical or radiant energy

735
372/71

End-pumped laser

315
372/80

Excited phosphor

16
372/77

Exploding or combustible material

28
372/78

Heat

16
372/73

High-energy particles

63
372/74

Electron beam

112
372/76

Plasma

73
372/72

Pump cavity

293
372/75

Semiconductor

584
372/79

Solar

16
372/91

With depopulation of lower states

29
372/92

Particular resonant cavity

1298
372/96

Distributed feedback

1204
372/93

Folded cavity

354
372/94

Having a ring configuration

702
372/107

Mirror support or alignment structure

640
372/97

Plural cavities

528
372/98

Specified cavity component

809
372/105

Birefringent material

203
372/102

Grating

1032
372/101

Lens or lens system

514
372/106

Polarizer

215
372/100

Prism

263
372/99

Reflector

1335
372/103

Window, aperture, and mask

366
372/104

Aerodynamic window

31
372/108

Specified output coupling device

773
372/95

Unstable resonator

209
372/34

Particular temperature control

1313
372/36

Heat sink

954
372/35

Liquid coolant

388
372/3

Raman laser

236
372/5

Short wavelength laser

184
372/704

Summary reference

5
372/1

Superradiant laser

41
372/7

Thin film laser

93
 
 
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